# backend/app/connectors/chat/mock.py — 시드 기반 chat sync (phase-13)
from datetime import UTC, datetime

from sqlmodel import Session

from ..base import BaseConnector, NormalizedRecord, RawRecord
from .normalize import normalize_chat, upsert_chat

_SIM = [
    {
        "id": "sim-c1",
        "sender": "minseo",
        "text": "지우님, 분기 전략 미팅 자료 공유 가능할까요?",
        "channel": "#팀-운영",
        "at": "오늘 14:02",
    }
]


class MockChatConnector(BaseConnector):
    domain = "chat"
    entity_type = "chat_message"

    def fetch(self, session: Session, *, full: bool = False):
        for p in getattr(self, "_sim_payloads", []):
            yield RawRecord(
                external_id=p["id"],
                payload=p,
                etag=p.get("at", ""),
                external_updated_at=datetime.now(UTC),
            )

    def simulate_new(self) -> "MockChatConnector":
        self._sim_payloads = _SIM
        return self

    def normalize(self, raw: RawRecord) -> NormalizedRecord:
        return normalize_chat(self.account, raw)

    def write(self, session: Session, norm: NormalizedRecord):
        return upsert_chat(session, norm)

    def event_for(self, norm, entity_id):
        return "chat.message"